"The Natural Philosopher" wrote
[oil tanks]
| You can build follies round em too.

But if the folly has the purpose of concealing the oil tank, does it not
then cease to be a folly?

| Best form of central heating is a lot of different ones.
| Ive got a gravity feed aga, and electric pumped boiler,
| two open fires and a wood stove.
| One way or another we keep from hypothermia.

Cats are a pretty useful back-up too.

Owain